Audio problem: When they are trying to escape Koopa and the little caveman speaks, then Luigi answers him, he has the Princess' voice.
Onna no koi wa snesouyo! Kakutou shintaisou de iza shoubu - S1-E12
Audio problem: When Ranma and Akane close the door behind them avoiding the gas trap, the English dub adds a lot of coughing, even when they have their mouth closed. (00:16:40)